| Norristown to Romeoville (Illinois) | 674.07 mi (1,084.81 km) |
| Norristown to Romulus (Michigan) | 441.74 mi (710.91 km) |
| Norristown to Ronkonkoma (New York) | 125.60 mi (202.13 km) |
| Norristown to Roosevelt (New York) | 100.10 mi (161.09 km) |
| Norristown to Rosamond (California) | 2,355.30 mi (3,790.49 km) |
| Norristown to Rosaryville (Maryland) | 122.72 mi (197.50 km) |
| Norristown to Roscoe (Illinois) | 726.53 mi (1,169.24 km) |
| Norristown to Rose Hill (Virginia) | 131.96 mi (212.37 km) |
| Norristown to Roseburg (Oregon) | 2,453.02 mi (3,947.76 km) |
| Norristown to Rosedale (California) | 2,394.09 mi (3,852.92 km) |
| Norristown to Rosedale (Maryland) | 82.95 mi (133.49 km) |
| Norristown to Roselle (Illinois) | 675.76 mi (1,087.53 km) |
| Norristown to Roselle (New Jersey) | 67.61 mi (108.82 km) |
| Norristown to Roselle Park (New Jersey) | 67.79 mi (109.10 km) |
| Norristown to Rosemead (California) | 2,369.23 mi (3,812.91 km) |
